Method and apparatus for buffering data in a computer system

Details Method and apparatus for buffering data in a computer system Method and apparatus for buffering data in a computer system

1996-03-25

1998-07-07

Asta, Frank J.

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

711133, 711136, 711160, 395574, 395876, 364DIG1, C06F 1300

Patent

active

057784426

ABSTRACT:
A method and apparatus for replacing data in a list of buffers is provided. The list of buffers has a hot end and a cold end. The buffers at the hot end are maintained in a FIFO list and the buffers at the cold end are maintained in an LRU list. Requested data is located and, if the requested data is located in the LRU portion of the buffer list, the buffer containing the requested data is moved to the head of the FIFO list. If the data is located in a buffer in the FIFO portion of the buffer list, no rearrangement is required. If the requested data is not located in the buffer list, the data is stored into the buffer at the tail end of the LRU list, then the buffer is moved to the head of the FIFO list.

REFERENCES:
patent: 4802086 (1989-01-01), Gay et al.
patent: 5530850 (1996-06-01), Ford et al.
patent: 5619675 (1997-04-01), De Martine et al.

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